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The performance on degraded listening task in children with cochlear implants

Title
The performance on degraded listening task in children with cochlear implants
Authors
Hyun S.-H.Yim D.
Ewha Authors
임동선
SCOPUS Author ID
임동선scopus
Issue Date
2013
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
vol. 18, no. 1, pp. 86 - 97
Keywords
Bottom-up knowledgeChildren with cochlear implantsDegraded listening taskLanguage processing skillsTop-down knowledge
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Abstract
Objectives: The present study investigated first, how children with cochlear implants (CIs) perform on a degraded listening task by context conditions compared to children with normal hearing (NH), and second, whether a degraded listening task correlate with receptive vocabulary. Methods: The study included children between 4 and 10 years of age, 15 with CIs, and 15 age-matched NH. We administrated a degraded listening task, which consisted of two different context conditions, high predictability and low predictability. Twoway mixed ANOVA, 2 × 2 ANCOVA and Pearson correlation were used to analyze the data. Results: There were significant differences between the 2 groups and the 2 context conditions on degraded listening task scores. Also, there was significant interaction effect between group and context conditions. These differences and interaction effect remained statistically significant even after controlling for receptive vocabulary score. No correlation was found between the performances on receptive vocabulary and degraded listening tasks. In the CIs, the high predictability score was negatively correlated with age of implantation. Conclusion: The results of this study showed that children with CIs have more difficulties using acoustic-phonetic knowledge than using top-down knowledge. They also demonstrated declined ability to utilize linguistic contexts and long-term knowledge. The earlier exposure to speech sounds may have positive impacts on language processing skills in children with CIs. © 2013 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.13009
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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